﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Plane
{
    internal class AirPlane: AllPlane
    {
        public override string TakeOff()
        {
            return "客机长距离起飞";
        }

        public override string SonicFly()
        {
            return "客机亚音速飞行";
        }
    }
}
